The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Saint-Denis-sur-Richelieu Weather in September
Saint-Denis-sur-Richelieu in September sees high temperatures, with highs around 22°C (72°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 100 mm (3.9 in) on average, so pack waterproofs just in case.
Rainfall in Saint-Denis-sur-Richelieu in September
Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 100 mm (3.9 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Saint-Denis-sur-Richelieu in September
Daytime highs in Saint-Denis-sur-Richelieu in September reach 22°C (72°F), with nights around 10°C (50°F). Overall, the month follows a fairly predictable daily temperature pattern. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Saint-Denis-sur-Richelieu in September
The month experiences a moderate amount of sunlight, with 183 hours of sunshine. This provides a nice balance between sunshine and clouds.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Saint-Denis-sur-Richelieu Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
22°C (72°F)
Chance of Rain
37%
Precipitation
100 mm (3.9 in)
Rainy days
11 days
Humidity
60% *
Sunshine
183 hours *
Percentage Sunshine
49% *
* Data from: Montréal, Canada (44 KM, 27 Miles).
Saint-Denis-sur-Richelieu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Denis-sur-Richelieu - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Saint-Denis-sur-Richelieu in September
For Saint-Denis-sur-Richelieu in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Saint-Denis-sur-Richelieu in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Saint-Denis-sur-Richelieu 3-Day Forecast
More climate data for Saint-Denis-sur-Richelieu
Temperature Rainfall Sunshine Humidity
See the full Saint-Denis-sur-Richelieu climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Canada in September: Where Is the Best Weather?
Compare September weather in Toronto, Montreal, Vancouver, Quebec City and Osoyoos to find Canada's warmest, driest and sunniest destinations.
Canoeing the south Nahannii
The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.